The Siemens 3RT2045-1NE30 is a high-performance industrial power contactor designed for demanding motor control and power switching applications. Engineered for reliability and efficiency, this contactor supports AC-3 and AC-3e applications, handling up to 80 A and 37 kW at 400 V.
With a 48–80 V AC/DC coil, integrated varistor surge protection, and 1 NO + 1 NC auxiliary contacts, it ensures robust electrical performance and enhanced operational safety.
Its S3 size and screw terminal design allow easy installation and long-term durability in industrial automation environments.
Power Switching: Ideal for motor starters and power circuits up to 37 kW / 400 V
AC-3 / AC-3e Rated: Suitable for starting and stopping squirrel-cage motors
Wide Coil Voltage Range: 48–80 V AC/DC, compatible with flexible control systems
Integrated Varistor: Provides surge suppression and protects coil circuits
Auxiliary Contacts: Includes 1 NO + 1 NC for signaling and interlocking
Current Rating: 80 A
Poles: 3-pole design
Frequency: 50/60 Hz
Terminal Type: Screw terminal
Size: S3
High mechanical endurance for long service life
Robust construction for industrial applications
Enhanced equipment protection via built-in varistor surge suppression
Reliable operation in harsh industrial environments
Flexible installation due to wide coil voltage compatibility
Reduced downtime with durable electromechanical design
Optimized for industrial automation, motor control centers, and control panels
Cost-effective choice for heavy-duty switching applications
For more of our products, visit turll
| SKU / Model | 3RT2045-1NE30 |
|---|---|
| Weight | 1.798 kg |
| Dimensions | 169 × 161 × 81 mm |
Request a quote for project quantities, discontinued or obsolete models, and pro-forma invoice / bank transfer orders. Our sourcing team responds fast.
